spf4.wowincaspf.com has no MX records.
Question and response
Question
dig spf4.wowincaspf.com. MX
Answer
The response has no answer records.
Authority
wowincaspf.com. 600 SOA ns19.domaincontrol.com. dns.jomax.net. 2024091800 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0